EP1473268A2 - Dispositif de levage - Google Patents

Dispositif de levage Download PDF

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Publication number
EP1473268A2
EP1473268A2 EP04005754A EP04005754A EP1473268A2 EP 1473268 A2 EP1473268 A2 EP 1473268A2 EP 04005754 A EP04005754 A EP 04005754A EP 04005754 A EP04005754 A EP 04005754A EP 1473268 A2 EP1473268 A2 EP 1473268A2
Authority
EP
European Patent Office
Prior art keywords
spindle
tube
lifting device
base body
investment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04005754A
Other languages
German (de)
English (en)
Other versions
EP1473268A3 (fr
EP1473268B1 (fr
Inventor
Jürgen Zimmermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zimm Maschinenelemente and Co GmbH
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT04005754T priority Critical patent/ATE312049T1/de
Publication of EP1473268A2 publication Critical patent/EP1473268A2/fr
Publication of EP1473268A3 publication Critical patent/EP1473268A3/fr
Application granted granted Critical
Publication of EP1473268B1 publication Critical patent/EP1473268B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/18Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through worm gearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F2700/00Lifting apparatus
    • B66F2700/04Jacks with screw and nut

Definitions

  • the invention relates to a lifting device with a spindle and a in one Gear housing rotatably mounted and driven nut for adjusting the Spindle in the direction of its longitudinal axis, wherein an anti-rotation device for the spindle with the transmission housing rotatably connected pipe with a of the circular shape deviating cross section, in which the spindle with the end opposite its end, and one on the spindle rotatably mounted, lying within the tube and a rotation of the Spindle about its longitudinal axis by abutting against the inner wall of the pipe Investment unit includes.
  • Lifting devices with Spindelhubgetrieben are in different embodiments are known and used for a wide variety of purposes used.
  • the Whitneyde the spindle is not rigidly connected or connected to the part to be adjusted may be, but only rests on this, for example, to be adjusted Part with his weight on the Whyde the spindle rests.
  • Such applications is an anti-rotation device for the spindle intended.
  • an anti-rotation device is attached to the gear housing a square tube, in which the spindle protrudes with its opposite end opposite the strengthende.
  • a quadrilateral anti-rotation plate set At this in the Square tube projecting end of the spindle is a quadrilateral anti-rotation plate set, which is guided in the tube. The blocking of the rotation of the Spindle about its longitudinal axis is done by conditioning the edge sides of the anti-rotation plate on the inner wall of the square tube.
  • a screw jack with a Spindelhubgetriebe in which a rotation provided for a spindle nut against a pipe fixed to the housing is known from US 3,738,613.
  • the mother owns four rounded ones Protrusions leading into the corner areas of the rounded corners Reach pipe. It can be used here for the tube no standard production but the pipe needs accurate and completely unusual corner radii and may be subject only to small tolerances, causing the production much more expensive.
  • the screwdriver DE 6259 C has a claw an anti-rotation to a spindle, wherein an extension of the claw in a groove of the spindle protrudes.
  • the transferable forces are relatively low and the wear is high.
  • a slider In the screwdriver of the AT 29818 a slider is connected to a spindle, To secure against a housing against rotation.
  • the Slider has lateral extensions with grooves on vertical, projecting webs of the housing are guided.
  • the construction is in turn elaborate and not manufacturable with standard pipes and the transferable Torque is as well as the life due to the wear occurring limited to a relatively low value.
  • the object of the invention is an improved lifting device with a screw jack of the type mentioned, which a lower wear has, despite production-related tolerances of the tube of the rotation. According to the invention, this is achieved by a lifting device with the features of claim 1.
  • the investment blocks against the Base body swiveling, so that its edge sides at one on the spindle acting rotational force about its longitudinal axis over the entire surface of the inner wall of the Pipe can create, even if between the pipe and the investment unit a certain game is present. It occurs by only a slight wear of the Investment blocks on. Also, one can almost during a long period of operation constant friction between the investment blocks and the pipe can be achieved.
  • the investment blocks of a wear-resistant material, like bronze.
  • the recesses are in Main body seen in the axial direction of the spindle on both sides of the Basic body formed side walls limited.
  • a lifting device includes an adjustable in the axial direction in the direction of arrow 3 in its axial direction Spindle 1 as an actuator.
  • a transmission housing 4 is a nut 5 rotatably, but immovably mounted in the axial direction of the spindle 1, whose internal thread cooperates with the external thread of the spindle 1.
  • the Nut 5 is motor driven. This is in the illustrated embodiment provided on the circumference of the nut a worm toothing, with the one Worm 6 is engaged.
  • the screw 6 is connected via a drive shaft 7 of a not shown in the figures drive the Spindelhubgetriebes, in particular drivable by a suitable engine. Lifting devices with such Screw Jacks are known in different designs.
  • the schematic Representation of Fig. 2 is intended only to illustrate the basic Functionality serve.
  • the gear elements and the drive of the lifting device do not form part of the present invention and can be used in conventional Be formed manner.
  • a Anti-rotation device provided to prevent rotation of the spindle 1 about its longitudinal axis 2 .
  • This includes a with the gearbox 4 rotatably connected tube 9, which preferably as a square tube is trained.
  • On the opposite side of the proposede 8 mother 5 protrudes from the gear housing 4 passing part of the spindle 1 in the pipe 9.
  • At the end 8 opposite the end of the spindle 1 is an inside the unit 9 lying attachment unit 10 rotatably mounted, which for Appendix to sections of the inner wall 11 of the tube 9 at a on the spindle. 1 provided in the sense of a rotation about its longitudinal axis 2 acting rotational force is, whereby a rotation of the spindle 1 is blocked around its longitudinal axis.
  • the contact unit 10 has a plate-shaped main body 12, the rotationally fixed is connected to the spindle 1, for example via a central threaded hole Screwed 13 on an end attached to the spindle external thread is and by a screwed into a radial threaded bore 14 locking screw (not shown in the figures) is secured, which in a radial Drill in the spindle 1 engages.
  • the main body 12 could with the spindle 1, for example, be welded.
  • the end faces 15, 16 of the body 12 are in the axial direction of the spindle. 1 aligned.
  • the peripheral surface 17 of the main body 12 is the inner wall eleventh facing the tube 9.
  • In this circumferential surface 17 are four recesses 18th educated.
  • Cross-section of the base body 12 seen, as shown in Fig. 7, have the recesses 18 circular arc-shaped bottoms 19.
  • the recesses 18 on both sides by side walls 20 limited, which protrude at right angles above the respective bottom 19.
  • These side walls 20 are formed by webs 21 of the base body 12, the two sides of the recesses formed by cutouts 18 are left become.
  • In the webs 21 here are circular arc-shaped depressions 33 arranged.
  • dochrometze 22 In the recesses 18 , dochrometze 22 are used. These have an am Floor 19 of the respective recess 18 adjacent base side 23, which, in a perpendicular to the longitudinal axis 2 of the spindle 1 extending cross-section of Seen base body, a counter to the bottom 19 of the recess 18 having a circular arc course.
  • the section lying in the recess 18 a respective plant block 22 in this case has the shape of a partial cylinder on.
  • the arranged in the recesses 18 dochklötze 22 are thus pivotable about axes 24, passing through the center of this arc showing circle runs.
  • This axis 24 extends in the illustrated embodiment further parallel to the longitudinal axis 2 of the spindle 1. In principle, although less preferred, deviations from those parallel to the longitudinal axis 2 would also be Alignments of the axes 24 conceivable and possible, especially in the field +/- 45 °.
  • Each of the four corner regions of the tube 9 is pivotable in a recess Assigned 18 of the body 12 mounted investment block 22, the two Angled abutting contact surfaces 25, 26 for contact with the two, the each corner 27 adjacent and the corner 27 between them Portions of the inner wall 11 of the tube 9.
  • the two angled to each other Contact surfaces 25, 26 are connected via a connecting surface 28, which a flattened corner between the two contact surfaces 25, 26 forms with each other connected.
  • the investment blocks 22 can each be such about their axes 24 pivot, that the respective direction of rotation associated bearing surface 25, 26 of a respective investment block 22 over the entire surface of the inner wall eleventh of the tube 9 is applied. The surface pressure and wear are therefore low. An axial displacement of the investment blocks 22 relative to the main body 12 is prevented by the side walls 20.
  • the investment blocks are made of an abrasion-resistant material, preferably made of bronze.
  • On the tube further limit switch 29, 30 are attached. These have one by a bore in the pipe 9 into the pipe protruding operating part 31st on, which lie with the base body 12 in between two recesses 18 Area cooperates.
  • a chamfer 32 travels between an end face 15, 16 and the peripheral surface 17 of the body against the actuating part 31st and moves it outwards, whereby the limit switch is actuated and to a control device indicates the end of the displacement path of the spindle 1.
  • the investment blocks 22 are greased and in the recesses 18 are used, whereby they are also fat in the recesses 18 are held until the abutment unit 10 is within the tube 9.
  • the base body 12 has a cylindrical design, wherein the peripheral surface, in which the recesses 18 are introduced, from the Cylinder shell is formed.
  • the base body 12 could, for example, also square, wherein the recesses 18 in the corner areas are arranged.
  • the peripheral surface 17 would in this case of the four between the recesses 18 lying, the tube 9 facing edge sides be formed.
  • the tube 9 could be another polygonal pipe, for example, oval be educated.
  • two could be in the range of the long Axes of oval cross section arranged investment blocks 22 in recesses be mounted pivotably a suitably trained body.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transmission Devices (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Jib Cranes (AREA)
  • Advancing Webs (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Noodles (AREA)
  • Magnetic Heads (AREA)
  • Micromachines (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP04005754A 2003-04-28 2004-03-11 Dispositif de levage Expired - Lifetime EP1473268B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT04005754T ATE312049T1 (de) 2003-04-28 2004-03-11 Hubeinrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0064203A AT412643B (de) 2003-04-28 2003-04-28 Hubeinrichtung
AT6422003 2003-04-28

Publications (3)

Publication Number Publication Date
EP1473268A2 true EP1473268A2 (fr) 2004-11-03
EP1473268A3 EP1473268A3 (fr) 2004-12-22
EP1473268B1 EP1473268B1 (fr) 2005-12-07

Family

ID=32968007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04005754A Expired - Lifetime EP1473268B1 (fr) 2003-04-28 2004-03-11 Dispositif de levage

Country Status (4)

Country Link
EP (1) EP1473268B1 (fr)
AT (2) AT412643B (fr)
DE (1) DE502004000162D1 (fr)
ES (1) ES2255006T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009117752A1 (fr) * 2008-03-27 2009-10-01 Zimmermann, Jürgen Rupteur, en particulier rupteur de fin de course
EP2141113A1 (fr) 2008-07-02 2010-01-06 Jürgen Zimmermann Dispositif de réglage destiné à positionner une charge
EP2141112A1 (fr) 2008-07-02 2010-01-06 Jürgen Zimmermann Dispositif de réglage destiné à positionner une charge
DE102008062317B3 (de) * 2008-12-08 2010-01-07 Gkss-Forschungszentrum Geesthacht Gmbh Hebevorrichtung
ITBO20110007A1 (it) * 2011-01-12 2012-07-13 Servomech S P A Con Socio Unico Martinetto meccanico
CN117366181A (zh) * 2023-12-06 2024-01-09 苏州触点机器人科技有限公司 一种防尘式直线模组

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016105472U1 (de) * 2016-09-30 2018-01-03 Dewertokin Gmbh Möbel und elektromotorischer Möbelantrieb mit einer Antriebseinheit und einer Führungsbahn
DE102017112711A1 (de) * 2017-06-09 2018-07-12 Schaeffler Technologies AG & Co. KG Aktuator
CN111039235A (zh) * 2019-12-31 2020-04-21 上汽通用五菱汽车股份有限公司 一种侧围输送传动系统
DE102021211285B3 (de) 2021-10-07 2023-03-30 Festo Se & Co. Kg Linearsteller zum Bereitstellen einer Linearbewegung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347511A (en) * 1966-01-14 1967-10-17 Mansfield Engineering Corp Adjustable height pedestal
US3887155A (en) * 1972-12-07 1975-06-03 Philips Corp Telescoping support mechanism
US4257201A (en) * 1979-04-19 1981-03-24 American Hoist & Derrick Company Self-centering telescoping beams
DE29518975U1 (de) * 1995-11-30 1996-01-18 Horcher Gmbh Vorrichtung zum Heben und/oder Transportieren einer Person
JPH09110387A (ja) * 1995-10-23 1997-04-28 Furukawa Electric Co Ltd:The スクリュー軸を用いた移動体駆動装置
GB2329888A (en) * 1997-10-06 1999-04-07 Michael Hobbs Vertically adjustable support apparatus
JP2000152557A (ja) * 1998-11-06 2000-05-30 Nsk Ltd 電動式リニアアクチュエータ
WO2001089981A1 (fr) * 2000-05-22 2001-11-29 Ideassociates (Iom) Limited Structure telescopique
JP2002054708A (ja) * 2000-08-08 2002-02-20 Makishinkoo:Kk ねじジャッキのねじ軸回り止め構造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6259C (de) * 1879-01-12 1879-07-23 W. TILLMANNS in Remscheid Schraubenwinde
AT29818B (de) * 1906-01-30 1907-09-10 Karl Schuster Schraubenwinde.
US3738613A (en) * 1970-12-30 1973-06-12 Gen Processing Corp Jack construction for trailers and the like
CA983004A (en) * 1973-06-26 1976-02-03 Karl H. Felsen Independent jacking system for vehicles and the like

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347511A (en) * 1966-01-14 1967-10-17 Mansfield Engineering Corp Adjustable height pedestal
US3887155A (en) * 1972-12-07 1975-06-03 Philips Corp Telescoping support mechanism
US4257201A (en) * 1979-04-19 1981-03-24 American Hoist & Derrick Company Self-centering telescoping beams
JPH09110387A (ja) * 1995-10-23 1997-04-28 Furukawa Electric Co Ltd:The スクリュー軸を用いた移動体駆動装置
DE29518975U1 (de) * 1995-11-30 1996-01-18 Horcher Gmbh Vorrichtung zum Heben und/oder Transportieren einer Person
GB2329888A (en) * 1997-10-06 1999-04-07 Michael Hobbs Vertically adjustable support apparatus
JP2000152557A (ja) * 1998-11-06 2000-05-30 Nsk Ltd 電動式リニアアクチュエータ
WO2001089981A1 (fr) * 2000-05-22 2001-11-29 Ideassociates (Iom) Limited Structure telescopique
JP2002054708A (ja) * 2000-08-08 2002-02-20 Makishinkoo:Kk ねじジャッキのねじ軸回り止め構造

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN Bd. 1997, Nr. 08, 29. August 1997 (1997-08-29) -& JP 09 110387 A (FURUKAWA ELECTRIC CO LTD:THE), 28. April 1997 (1997-04-28) *
PATENT ABSTRACTS OF JAPAN Bd. 2000, Nr. 08, 6. Oktober 2000 (2000-10-06) -& JP 2000 152557 A (NSK LTD), 30. Mai 2000 (2000-05-30) *
PATENT ABSTRACTS OF JAPAN Bd. 2002, Nr. 06, 4. Juni 2002 (2002-06-04) -& JP 2002 054708 A (MAKISHINKOO:KK), 20. Februar 2002 (2002-02-20) *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009117752A1 (fr) * 2008-03-27 2009-10-01 Zimmermann, Jürgen Rupteur, en particulier rupteur de fin de course
EP2141113A1 (fr) 2008-07-02 2010-01-06 Jürgen Zimmermann Dispositif de réglage destiné à positionner une charge
EP2141112A1 (fr) 2008-07-02 2010-01-06 Jürgen Zimmermann Dispositif de réglage destiné à positionner une charge
DE102008062317B3 (de) * 2008-12-08 2010-01-07 Gkss-Forschungszentrum Geesthacht Gmbh Hebevorrichtung
EP2194018A2 (fr) 2008-12-08 2010-06-09 Gkss-Forschungszentrum Geesthacht Gmbh Dispositif de levage
EP2194018A3 (fr) * 2008-12-08 2011-08-24 Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH Dispositif de levage
ITBO20110007A1 (it) * 2011-01-12 2012-07-13 Servomech S P A Con Socio Unico Martinetto meccanico
CN117366181A (zh) * 2023-12-06 2024-01-09 苏州触点机器人科技有限公司 一种防尘式直线模组
CN117366181B (zh) * 2023-12-06 2024-03-08 苏州触点机器人科技有限公司 一种防尘式直线模组

Also Published As

Publication number Publication date
EP1473268A3 (fr) 2004-12-22
EP1473268B1 (fr) 2005-12-07
AT412643B (de) 2005-05-25
ATA6422003A (de) 2004-10-15
ATE312049T1 (de) 2005-12-15
DE502004000162D1 (de) 2006-01-12
ES2255006T3 (es) 2006-06-16

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